Home / 14,588.28-21,881.52-4,200.12

Finding the Fourth Proportional to 14,588.28, 21,881.52 and 4,200.12

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Solution

The fourth proportional to 14,588.28, 21,881.52 and 4,200.12 is: 6,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.28 : 21,881.52 = 4,200.12 : x
  2. Step 2: Convert to fraction form
    14,588.28/21,881.52 = 4,200.12/x
  3. Step 3: Cross multiply
    14,588.28x = 21,881.52 × 4,200.12
  4. Step 4: Simplify right side
    14,588.28x = 91,905,009.78
  5. Step 5: Solve for x
    x = 91,905,009.78/14,588.28
  6. Step 6: Final answer
    x = 6,299.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.